use rustc::ty::TyCtxt;
use rustc::ty::query::Providers;
use syntax::attr;
+use syntax::symbol::sym;
pub fn find<'tcx>(tcx: TyCtxt<'_, 'tcx, 'tcx>) -> Option<DefId> {
tcx.proc_macro_decls_static(LOCAL_CRATE)
impl<'v> ItemLikeVisitor<'v> for Finder {
fn visit_item(&mut self, item: &hir::Item) {
- if attr::contains_name(&item.attrs, "rustc_proc_macro_decls") {
+ if attr::contains_name(&item.attrs, sym::rustc_proc_macro_decls) {
self.decls = Some(item.hir_id);
}
}